1972 McLaren M21 vs. 2003 Oldsmobile Alero
To start off, 2003 Oldsmobile Alero is newer by 31 year(s). Which means there will be less support and parts availability for 1972 McLaren M21. In addition, the cost of maintenance, including insurance, on 1972 McLaren M21 would be higher. At 2,196 cc (4 cylinders), 2003 Oldsmobile Alero is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (283 HP @ 9000 RPM) has 144 more horse power than 2003 Oldsmobile Alero. (139 HP @ 5600 RPM). In normal driving conditions, 1972 McLaren M21 should accelerate faster than 2003 Oldsmobile Alero. With that said, vehicle weight also plays an important factor in acceleration. 2003 Oldsmobile Alero weights approximately 895 kg more than 1972 McLaren M21.
Compare all specifications:
| 1972 McLaren M21 | 2003 Oldsmobile Alero | |
| Make | McLaren | Oldsmobile |
| Model | M21 | Alero |
| Year Released | 1972 | 2003 |
| Engine Size | 1927 cc | 2196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 283 HP | 139 HP |
| Engine RPM | 9000 RPM | 5600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 465 kg | 1360 kg |
